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                        html介绍
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                        html常用标签
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                        a标签的使用
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                        表格的介绍
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                        iframe内嵌框架
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                            <b>1.7.</b>
                        
                        媒体标签
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                        清除样式
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                        css引入方式
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                        css选择符与选择器
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                            <b>2.2.</b>
                        
                        css字体样式
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                            <b>2.3.</b>
                        
                        图片的调整
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                            <b>2.4.</b>
                        
                        伪类选择
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                            <b>2.5.</b>
                        
                        盒子模型
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                            <b>2.6.</b>
                        
                        浮动
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                            <b>2.7.</b>
                        
                        定位
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                            <b>2.8.</b>
                        
                        阴影
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                            <b>2.9.</b>
                        
                        图片溢出处理
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                            <b>2.10.</b>
                        
                        动画
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                        动画插件与浏览器内核
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                        旋转菜单
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                            <b>2.13.</b>
                        
                        移动端
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                            <b>2.14.</b>
                        
                        rem布局
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                            <b>2.15.</b>
                        
                        权重问题
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                            <b>2.16.</b>
                        
                        移动端导航问题
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                            <b>2.17.</b>
                        
                        flex布局
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                            <b>2.18.</b>
                        
                        fullpage
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                            <b>2.19.</b>
                        
                        bootstrap
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                            <b>2.20.</b>
                        
                        媒体查询
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                            <b>3.</b>
                        
                        JavaScript的介绍
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                            <b>3.1.</b>
                        
                        JavaScript数据类型
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                            <b>3.2.</b>
                        
                        数据类型的转换
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                            <b>3.3.</b>
                        
                        运算符
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                            <b>3.4.</b>
                        
                        比较运算符
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                            <b>3.5.</b>
                        
                        赋值运算符
                    </a>
            
            
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        <li class="chapter " data-level="3.6" data-path="md/js/逻辑操作符.html">
            
                
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                            <b>3.6.</b>
                        
                        逻辑操作符
                    </a>
            
            
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                            <b>3.7.</b>
                        
                        条件语句
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        <li class="chapter " data-level="3.8" data-path="md/js/条件运算符.html">
            
                
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                            <b>3.8.</b>
                        
                        条件运算符
                    </a>
            
            
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        <li class="chapter " data-level="3.9" data-path="md/js/位运算符.html">
            
                
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                            <b>3.9.</b>
                        
                        位运算符
                    </a>
            
            
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        <li class="chapter " data-level="3.10" data-path="md/js/循环语句.html">
            
                
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                            <b>3.10.</b>
                        
                        循环语句
                    </a>
            
            
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        <li class="chapter " data-level="3.11" data-path="md/js/for循环.html">
            
                
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                            <b>3.11.</b>
                        
                        for循环
                    </a>
            
            
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                            <b>3.12.</b>
                        
                        ES6
                    </a>
            
            
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        <li class="chapter " data-level="3.13" data-path="md/js/es6安装.html">
            
                
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                            <b>3.13.</b>
                        
                        ES6安装
                    </a>
            
            
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                            <b>3.14.</b>
                        
                        内置对象
                    </a>
            
            
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        <li class="chapter " data-level="3.15" data-path="md/js/Array对象.html">
            
                
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                            <b>3.15.</b>
                        
                        Array对象
                    </a>
            
            
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        <li class="chapter " data-level="3.16" data-path="md/js/Date对象.html">
            
                
                    <a href="../../md/js/Date对象.html">
                
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                            <b>3.16.</b>
                        
                        Date对象
                    </a>
            
            
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        <li class="chapter " data-level="3.17" data-path="md/js/布尔值对象.html">
            
                
                    <a href="../../md/js/布尔值对象.html">
                
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                            <b>3.17.</b>
                        
                        布尔值对象
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.18" data-path="md/js/数学对象.html">
            
                
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                            <b>3.18.</b>
                        
                        数学对象
                    </a>
            
            
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        <li class="chapter " data-level="3.19" data-path="md/js/对象的创建.html">
            
                
                    <a href="../../md/js/对象的创建.html">
                
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                            <b>3.19.</b>
                        
                        对象的创建
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.20" data-path="md/js/BOM.html">
            
                
                    <a href="../../md/js/BOM.html">
                
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                            <b>3.20.</b>
                        
                        BOM
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.21" data-path="md/js/DOM关于元素的获取.html">
            
                
                    <a href="../../md/js/DOM关于元素的获取.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.21.</b>
                        
                        DOM关于元素的获取
                    </a>
            
            
        </li>
    
        <li class="chapter active" data-level="3.22" data-path="md/js/DOM元素对象.html">
            
                
                    <a href="../../md/js/DOM元素对象.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.22.</b>
                        
                        DOM元素对象
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.23" data-path="md/js/DOM事件练习.html">
            
                
                    <a href="../../md/js/DOM事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.23.</b>
                        
                        DOM事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.24" data-path="md/js/DOM鼠标事件.html">
            
                
                    <a href="../../md/js/DOM鼠标事件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.24.</b>
                        
                        DOM鼠标事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.25" data-path="md/js/事件代理.html">
            
                
                    <a href="../../md/js/事件代理.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.25.</b>
                        
                        事件代理
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.26" data-path="md/js/移动端事件.html">
            
                
                    <a href="../../md/js/移动端事件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.26.</b>
                        
                        移动端事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.27" data-path="md/js/无缝轮播图.html">
            
                
                    <a href="../../md/js/无缝轮播图.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.27.</b>
                        
                        无缝轮播图
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.28" data-path="md/js/鼠标事件练习.html">
            
                
                    <a href="../../md/js/鼠标事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.28.</b>
                        
                        鼠标事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.29" data-path="md/js/ajax.html">
            
                
                    <a href="../../md/js/ajax.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.29.</b>
                        
                        ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.30" data-path="md/js/封装ajax.html">
            
                
                    <a href="../../md/js/封装ajax.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.30.</b>
                        
                        封装ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.31" data-path="md/js/高德地图的使用.html">
            
                
                    <a href="../../md/js/高德地图的使用.html">
                
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                            <b>3.31.</b>
                        
                        高德地图的使用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.32" data-path="md/js/预加载插件使用.html">
            
                
                    <a href="../../md/js/预加载插件使用.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.32.</b>
                        
                        预加载插件使用
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="4" data-path="md/jQuery/JQ变量的声明.html">
            
                
                    <a href="../../md/jQuery/JQ变量的声明.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.</b>
                        
                        JQ变量的声明
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="4.1" data-path="md/jQuery/选择器和效果.html">
            
                
                    <a href="../../md/jQuery/选择器和效果.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.1.</b>
                        
                        选择器和效果
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.2" data-path="md/jQuery/属性.html">
            
                
                    <a href="../../md/jQuery/属性.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.2.</b>
                        
                        属性
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.3" data-path="md/jQuery/尺寸.html">
            
                
                    <a href="../../md/jQuery/尺寸.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.3.</b>
                        
                        尺寸
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.4" data-path="md/jQuery/遍历.html">
            
                
                    <a href="../../md/jQuery/遍历.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.4.</b>
                        
                        遍历
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.5" data-path="md/jQuery/正则表达式.html">
            
                
                    <a href="../../md/jQuery/正则表达式.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.5.</b>
                        
                        正则表达式
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.6" data-path="md/jQuery/jQuery事件练习.html">
            
                
                    <a href="../../md/jQuery/jQuery事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.6.</b>
                        
                        jQuery事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.7" data-path="md/jQuery/操作.html">
            
                
                    <a href="../../md/jQuery/操作.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.7.</b>
                        
                        操作
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.8" data-path="md/jQuery/事件.html">
            
                
                    <a href="../../md/jQuery/事件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.8.</b>
                        
                        事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.9" data-path="md/jQuery/ajax.html">
            
                
                    <a href="../../md/jQuery/ajax.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.9.</b>
                        
                        ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.10" data-path="md/jQuery/三级联动.html">
            
                
                    <a href="../../md/jQuery/三级联动.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.10.</b>
                        
                        三级联动
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.11" data-path="md/jQuery/滚动监听导航效果.html">
            
                
                    <a href="../../md/jQuery/滚动监听导航效果.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.11.</b>
                        
                        滚动监听导航效果
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.12" data-path="md/jQuery/悬停导航.html">
            
                
                    <a href="../../md/jQuery/悬停导航.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.12.</b>
                        
                        悬停导航
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="5" data-path="md/Vue/修饰符与条件渲染.html">
            
                
                    <a href="../../md/Vue/修饰符与条件渲染.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.</b>
                        
                        Vue修饰符与条件渲染
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="5.1" data-path="md/Vue/绑定class和style.html">
            
                
                    <a href="../../md/Vue/绑定class和style.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.1.</b>
                        
                        绑定class和style
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.2" data-path="md/Vue/排序.html">
            
                
                    <a href="../../md/Vue/排序.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.2.</b>
                        
                        排序
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.3" data-path="md/Vue/表单输入绑定.html">
            
                
                    <a href="../../md/Vue/表单输入绑定.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.3.</b>
                        
                        表单输入绑定
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.4" data-path="md/Vue/生命周期.html">
            
                
                    <a href="../../md/Vue/生命周期.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.4.</b>
                        
                        生命周期
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.5" data-path="md/Vue/自定义指令.html">
            
                
                    <a href="../../md/Vue/自定义指令.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.5.</b>
                        
                        自定义指令
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.6" data-path="md/Vue/组件.html">
            
                
                    <a href="../../md/Vue/组件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.6.</b>
                        
                        组件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.7" data-path="md/Vue/Vue事件练习.html">
            
                
                    <a href="../../md/Vue/Vue事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.7.</b>
                        
                        Vue事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.8" data-path="md/Vue/动态模板.html">
            
                
                    <a href="../../md/Vue/动态模板.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.8.</b>
                        
                        动态模板
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.9" data-path="md/Vue/插槽的使用.html">
            
                
                    <a href="../../md/Vue/插槽的使用.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.9.</b>
                        
                        插槽的使用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.10" data-path="md/Vue/router.html">
            
                
                    <a href="../../md/Vue/router.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.10.</b>
                        
                        router
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.11" data-path="md/Vue/ajax与框架搭建.html">
            
                
                    <a href="../../md/Vue/ajax与框架搭建.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.11.</b>
                        
                        ajax与框架搭建
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.12" data-path="md/Vue/store.html">
            
                
                    <a href="../../md/Vue/store.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.12.</b>
                        
                        store
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.13" data-path="md/Vue/ref获取元素.html">
            
                
                    <a href="../../md/Vue/ref获取元素.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.13.</b>
                        
                        ref获取元素
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="6" data-path="md/wx/小程序.html">
            
                
                    <a href="../../md/wx/小程序.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.</b>
                        
                        小程序
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="6.1" data-path="md/wx/封装外部ajax路径.html">
            
                
                    <a href="../../md/wx/封装外部ajax路径.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.1.</b>
                        
                        封装外部ajax路径
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.2" data-path="md/wx/自定义组件.html">
            
                
                    <a href="../../md/wx/自定义组件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.2.</b>
                        
                        自定义组件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.3" data-path="md/wx/三列选择器.html">
            
                
                    <a href="../../md/wx/三列选择器.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.3.</b>
                        
                        三列选择器
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.4" data-path="md/wx/练习.html">
            
                
                    <a href="../../md/wx/练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.4.</b>
                        
                        练习
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="7" data-path="md/Egret/canvas.html">
            
                
                    <a href="../../md/Egret/canvas.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.</b>
                        
                        canvas
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="7.1" data-path="md/Egret/async.html">
            
                
                    <a href="../../md/Egret/async.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.1.</b>
                        
                        async
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.2" data-path="md/Egret/显示对象与容器.html">
            
                
                    <a href="../../md/Egret/显示对象与容器.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.2.</b>
                        
                        显示对象与容器
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.3" data-path="md/Egret/01.基础.html">
            
                
                    <a href="../../md/Egret/01.基础.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.3.</b>
                        
                        01.基础
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.4" data-path="md/Egret/02.对象池.html">
            
                
                    <a href="../../md/Egret/02.对象池.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.4.</b>
                        
                        02.对象池
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.5" data-path="md/Egret/03.typeScript.html">
            
                
                    <a href="../../md/Egret/03.typeScript.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.5.</b>
                        
                        03.typeScript
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.6" data-path="md/Egret/04.场景管理类.html">
            
                
                    <a href="../../md/Egret/04.场景管理类.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.6.</b>
                        
                        04.场景管理类
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="8" data-path="gitbook的安装.html">
            
                
                    <a href="../../gitbook的安装.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.</b>
                        
                        gitbook的安装
                    </a>
            
            
        </li>
    


            
            <li class="divider"></li>
            <li>
                <a href="https://www.gitbook.com" target="blank" class="gitbook-link">
                    Published with GitBook
                </a>
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    <div class="book-body">
        <div class="body-inner">
            <div class="book-header" role="navigation">
    <!-- Actions Left -->
    

    <!-- Title -->
    <h1>
        <i class="fa fa-circle-o-notch fa-spin"></i>
        <a href="../../" >个人笔记</a>
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</div>

            <div class="page-wrapper" tabindex="-1" role="main">
                <div class="page-inner">
                
                
                    <section class="normal" id="section-">
                    
                        <pre><code>&lt;style type=&quot;text/css&quot;&gt;
            .mycolor{
                color: pink;
                font-size: 30px;
            }
            .one{
                transition: 1s;
            }
            .container{
                width: 200px;
                height: 200px;
                background: skyblue;
                border: 1px solid #000000;
                padding:10px;
                margin: 15px;
                position: absolute;
                left: 0;
                top: 0;
            }
    &lt;/style&gt;
</code></pre><pre><code>&lt;img src=&quot;img/dongtai-4.png&quot; alt=&quot;&#x7F8E;&#x5C11;&#x5973;&quot; width=&quot;300&quot;/&gt;
        &lt;div class=&quot;test&quot;&gt;
            &lt;p&gt;&#x6211;&#x662F;p&#x6807;&#x7B7E;&lt;/p&gt;
            &lt;h1&gt;&#x6211;&#x662F;h1&#x6807;&#x7B7E;&lt;/h1&gt;
        &lt;/div&gt;
        &lt;div class=&quot;one two three&quot;&gt;&#x6211;&#x6709;&#x591A;&#x4E2A;&#x7C7B;&#x540D;&lt;/div&gt;
        &lt;!--&lt;div class=&quot;container&quot; contenteditable=&quot;true&quot;&gt;123456&lt;/div&gt;--&gt;
            &lt;div class=&quot;container&quot;&gt;123456&lt;/div&gt;
</code></pre><h1 id="&#x5143;&#x7D20;&#x5BF9;&#x8C61;&#x6307;&#x7684;&#x5C31;&#x662F;html&#x7684;&#x6240;&#x6709;&#x6807;&#x7B7E;">&#x5143;&#x7D20;&#x5BF9;&#x8C61;---&#x6307;&#x7684;&#x5C31;&#x662F;html&#x7684;&#x6240;&#x6709;&#x6807;&#x7B7E;</h1>
<p>&#x5C5E;&#x6027;&#xFF1A;</p>
<p>attributes:&#x83B7;&#x53D6;&#x6807;&#x7B7E;&#x7684;&#x5C5E;&#x6027;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x5C5E;&#x6027;&#x7684;&#x6570;&#x7EC4;</p>
<pre><code>            var img=document.querySelector(&quot;img&quot;);
            console.log(img.attributes);
            console.log(img.attributes[0].value);
            img.attributes[0].value=&quot;img/dongtai-5.png&quot;;
</code></pre><h1 id="elementchildnodes&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5B50;&#x8282;&#x70B9;">element.childNodes:&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5B50;&#x8282;&#x70B9;</h1>
<p> &#x6CE8;&#x610F;&#x6362;&#x884C;&#x7B26;&#x4E5F;&#x662F;&#x4E00;&#x4E2A;&#x6587;&#x672C;&#x8282;&#x70B9;</p>
<pre><code>            var test=document.querySelector(&quot;.test&quot;);
            var son = test.childNodes;
            console.log(son);//NodeList(5) [text, p, text, h1, text]
</code></pre><h1 id="elementclasslist&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7C7B;&#x540D;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x7C7B;&#x540D;&#x6570;&#x7EC4;">element.classList:&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7C7B;&#x540D;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x7C7B;&#x540D;&#x6570;&#x7EC4;</h1>
<p> classList&#x7684;&#x65B9;&#x6CD5;</p>
<p>add()&#x6DFB;&#x52A0;&#x7C7B;&#x540D;&#xFF0C;&#x53EF;&#x4EE5;&#x4E00;&#x6B21;&#x6DFB;&#x52A0;&#x591A;&#x4E2A;&#x7C7B;&#x540D;&#xFF0C;&#x7C7B;&#x540D;&#x4E4B;&#x95F4;&#x7528;&#x9017;&#x53F7;&#x9694;&#x5F00;&#x3002;</p>
<p>remove()&#x79FB;&#x9664;&#x7C7B;&#x540D;&#xFF0C;&#x53EF;&#x4EE5;&#x4E00;&#x6B21;&#x5220;&#x9664;&#x591A;&#x4E2A;&#x7C7B;&#x540D;&#xFF0C;&#x7C7B;&#x540D;&#x4E4B;&#x95F4;&#x7528;&#x9017;&#x53F7;&#x9694;&#x5F00;&#x3002;</p>
<p>contains()&#x68C0;&#x67E5;&#x662F;&#x5426;&#x5B58;&#x5728;&#x67D0;&#x4E2A;&#x7C7B;&#x540D;</p>
<p>toggle()&#x81EA;&#x52A8;&#x5207;&#x6362;&#x7C7B;&#x540D;</p>
<p>itme()&#xFF1A;&#x7528;&#x6765;&#x83B7;&#x53D6;&#x7C7B;&#x540D;&#x6570;&#x7EC4;&#x4E2D;&#x7684;&#x5177;&#x4F53;&#x67D0;&#x4E2A;&#x7C7B;&#x540D;&#xFF0C;&#x4F20;&#x5165;&#x4E00;&#x4E2A;&#x4E0B;&#x6807;&#x503C;&#x3002;</p>
<pre><code>            var testClass=document.querySelector(&quot;.one&quot;);
            //&#x4E0B;&#x9762;&#x4E24;&#x53E5;&#x540C;&#x6837;&#x53EF;&#x4EE5;&#x83B7;&#x53D6;&#x5230;&#x5143;&#x7D20;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x7C7B;&#x540D;
            //&#x5982;&#x679C;&#x4F20;&#x5165;&#x7684;&#x4E0B;&#x6807;&#x503C;&#x5728;&#x5176;&#x8303;&#x56F4;&#x4E4B;&#x5916;&#xFF0C;&#x901A;&#x8FC7;item&#x5F97;&#x5230;&#x7684;&#x503C;&#x4E3A;null&#xFF0C;&#x901A;&#x8FC7;&#x4E2D;&#x62EC;&#x53F7;&#x7684;&#x5230;&#x7684;&#x503C;&#x4E3A;undefined&#x3002;
            console.log(testClass.classList.item(0));
            console.log(testClass.classList[0]);

            testClass.addEventListener(&quot;click&quot;,function(){
                //this&#xFF1A;&#x53EA;&#x5B58;&#x5728;&#x51FD;&#x6570;&#x91CC;&#x9762;
//                this.classList.add(&quot;mycolor&quot;);
//                this.classList.remove(&quot;three&quot;);
//                if(this.classList.contains(&quot;mycolor&quot;)){
//                    this.classList.remove(&quot;mycolor&quot;);
//                }else{
//                    this.classList.add(&quot;mycolor&quot;);
//                }
                this.classList.toggle(&quot;mycolor&quot;);
            })
</code></pre><h1 id="elementclassname">element.className</h1>
<p>&#x7528;&#x6765;&#x8BBE;&#x7F6E;&#x6216;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7C7B;&#x540D;</p>
<p>&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7C7B;&#x540D;</p>
<pre><code>console.log(testClass.className);//one two three
</code></pre><h1 id="&#x6DFB;&#x52A0;&#x5143;&#x7D20;&#x7C7B;&#x540D;">&#x6DFB;&#x52A0;&#x5143;&#x7D20;&#x7C7B;&#x540D;</h1>
<p>&#x4F1A;&#x8986;&#x76D6;&#x6389;&#x539F;&#x6709;&#x7684;&#x6240;&#x6709;&#x7C7B;&#x540D;</p>
<pre><code>testClass.className = &quot;mycolor&quot;;
</code></pre><p>&#x4E3A;&#x4E86;&#x4E0D;&#x8986;&#x76D6;&#x539F;&#x6709;&#x7684;&#x7C7B;&#x540D;&#x53EF;&#x4EE5;&#x7528;&#x5982;&#x4E0B;&#x65B9;&#x6CD5;</p>
<p>testClass.className += &quot; mycolor&quot;;</p>
<p> &#x6CE8;&#x610F;&#xFF1A;&#x9700;&#x8981;&#x5728;&#x6DFB;&#x52A0;&#x7684;&#x7C7B;&#x540D;&#x524D;&#x9762;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x7A7A;&#x683C;</p>
<pre><code>testClass.className += &quot; mycolor&quot;;
</code></pre><p>element.clientHeight,element.clientWidth</p>
<p>&#x7528;&#x6765;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5BBD;&#x9AD8;(&#x4E0D;&#x5305;&#x62EC;&#x8FB9;&#x6846;&#xFF0C;&#x6EDA;&#x52A8;&#x6761;&#xFF0C;&#x5916;&#x8FB9;&#x8DDD;)&#xFF1B;</p>
<p>offsetHeight,offsetWidth</p>
<p>&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5BBD;&#x9AD8;&#xFF0C;&#x4E0D;&#x5305;&#x62EC;&#x5916;&#x8FB9;&#x8DDD;&#xFF0C;&#x5305;&#x62EC;&#x8FB9;&#x6846;</p>
<p>offsetLeft,offsetTop</p>
<p> &#x83B7;&#x53D6;&#x5143;&#x7D20;&#x8DDD;&#x79BB;&#x6D4F;&#x89C8;&#x5668;&#x9876;&#x90E8;&#x548C;&#x5DE6;&#x8FB9;&#x7684;&#x8DDD;&#x79BB;</p>
<pre><code>            var container = document.querySelector(&quot;.container&quot;);
            console.log(container.clientHeight);//200
            console.log(container.clientWidth);//200

            console.log(container.offsetHeight);//222
            console.log(container.offsetWidth);//222

            console.log(container.offsetLeft);//15
            console.log(container.offsetTop);//15
</code></pre><h1 id="clonenode">cloneNode()</h1>
<p>&#x7528;&#x6765;&#x514B;&#x9686;&#x5143;&#x7D20;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x65B0;&#x5143;&#x7D20;&#x3002;</p>
<p>&#x53EF;&#x4EE5;&#x4F20;&#x5165;&#x4E00;&#x4E2A;&#x53C2;&#x6570;</p>
<p>true&#xFF1A;&#x514B;&#x9686;&#x5143;&#x7D20;&#x672C;&#x8EAB;&#x4EE5;&#x53CA;&#x5176;&#x6240;&#x6709;&#x5B50;&#x8282;&#x70B9;</p>
<p>&#x4E0D;&#x4F20;&#x5165;&#x53C2;&#x6570;&#x6216;&#x8005;false&#xFF0C;&#x5219;&#x53EA;&#x514B;&#x9686;&#x5143;&#x7D20;&#x672C;&#x8EAB;&#xFF0C;&#x4E0D;&#x4F1A;&#x514B;&#x9686;&#x5B50;&#x8282;&#x70B9;</p>
<pre><code>            var cloneEle1 = container.cloneNode(false);
            var cloneEle2 = container.cloneNode(true);
//            document.body.appendChild(cloneEle1);
//            document.body.appendChild(cloneEle2);
            console.log(cloneEle1);
            console.log(cloneEle2);
</code></pre><p> contentEditable</p>
<p>&#x8BBE;&#x7F6E;&#x6216;&#x8005;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x662F;&#x5426;&#x53EF;&#x4FBF;&#x6377;</p>
<p>true&#xFF1A;&#x53EF;&#x7F16;&#x8F91;&#x72B6;&#x6001;</p>
<p>false&#xFF1A;&#x4E0D;&#x53EF;&#x7F16;&#x8F91;&#x72B6;&#x6001;</p>
<pre><code>            container.contentEditable=true;
            container.dir=&quot;rtl&quot;;//&#x53F3;&#x5BF9;&#x9F50;
            container.dir=&quot;ltr&quot;;//&#x5DE6;&#x5BF9;&#x9F50;
</code></pre><p> firstChild&#xFF1A;</p>
<p>&#x83B7;&#x53D6;&#x5230;&#x5143;&#x7D20;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x5B50;&#x8282;&#x70B9;</p>
<pre><code>console.log(container.firstChild);
</code></pre><p> element.style</p>
<p> &#x6539;&#x53D8;&#x5143;&#x7D20;&#x7684;&#x6837;&#x5F0F;</p>
<pre><code>container.style.background=&quot;pink&quot;;
container.style.fontSize=&quot;20px&quot;;
</code></pre><p>querySelector~&#x9759;&#x6001;&#x83B7;&#x53D6;&#x5143;&#x7D20;</p>
<p>&#x53EA;&#x80FD;&#x591F;&#x83B7;&#x53D6;&#x5230;&#x539F;&#x6765;&#x5728;html&#x7ED3;&#x6784;&#x4E0A;&#x6709;&#x7684;&#xFF0C;&#x4E0D;&#x80FD;&#x591F;&#x83B7;&#x53D6;&#x5230;&#x540E;&#x9762;&#x901A;&#x8FC7;js&#x6DFB;&#x52A0;&#x8FDB;&#x53BB;&#x7684;</p>
<p>getElement~&#x52A8;&#x6001;&#x83B7;&#x53D6;&#x5143;&#x7D20;</p>
<p>&#x65E0;&#x8BBA;&#x662F;&#x539F;&#x6765;&#x5728;html&#x7ED3;&#x6784;&#x4E0A;&#x6709;&#x7684;&#xFF0C;&#x8FD8;&#x662F;&#x540E;&#x9762;&#x901A;&#x8FC7;js&#x6DFB;&#x52A0;&#x8FDB;&#x53BB;&#x7684;&#x90FD;&#x80FD;&#x591F;&#x83B7;&#x53D6;&#x5230;&#x3002;</p>
<pre><code>            var div = document.querySelectorAll(&quot;.test&quot;);
            console.log(div);
            var div1=document.getElementsByClassName(&quot;test&quot;);
            console.log(div1);

            var div2=document.createElement(&quot;div&quot;);
            document.body.appendChild(div2);
            div2.classList.add(&quot;test&quot;);

            var div = document.querySelectorAll(&quot;.test&quot;);//&#x518D;&#x6B21;&#x91CD;&#x65B0;&#x83B7;&#x53D6;
            console.log(div);
            console.log(div1);
</code></pre><pre><code>        &lt;div class=&quot;web&quot;&gt;
            &lt;!--.test*3{&#x6211;&#x662F;&#x7B2C;$&#x4E2A;div}*3--&gt;
            &lt;div class=&quot;test&quot; name=&quot;1&quot;&gt;&#x6211;&#x662F;&#x7B2C;1&#x4E2A;div&lt;/div&gt;
            &lt;div class=&quot;test&quot; name=&quot;2&quot;&gt;&#x6211;&#x662F;&#x7B2C;2&#x4E2A;div&lt;/div&gt;
            &lt;div class=&quot;test&quot; name=&quot;3&quot;&gt;&#x6211;&#x662F;&#x7B2C;3&#x4E2A;div&lt;/div&gt;
        &lt;/div&gt;
</code></pre><h1 id="&#x63D2;&#x5165;&#x5143;&#x7D20;&#xFF1A;">&#x63D2;&#x5165;&#x5143;&#x7D20;&#xFF1A;</h1>
<p> element.insertBefore(newEle,oldEle);</p>
<p> newEle:&#x8868;&#x793A;&#x9700;&#x8981;&#x63D2;&#x5165;&#x7684;&#x65B0;&#x5143;&#x7D20;</p>
<p> oldEle&#xFF1A;&#x8868;&#x793A;&#x65B0;&#x5143;&#x7D20;&#x8981;&#x5728;oldEle&#x8FD9;&#x4E2A;&#x8001;&#x5143;&#x7D20;&#x4E4B;&#x524D;&#x63D2;&#x5165;</p>
<pre><code>             var div = document.createElement(&quot;div&quot;);
            var web = document.querySelector(&quot;.web&quot;);
            var test = web.querySelectorAll(&quot;.test&quot;);
            web.insertBefore(div,test[1]);
</code></pre><p>removeAttribute(),&#x79FB;&#x9664;&#x6307;&#x5B9A;&#x7684;&#x5143;&#x7D20;&#x5C5E;&#x6027;&#xFF0C;&#x6CA1;&#x6709;&#x8FD4;&#x56DE;&#x503C;</p>
<p>removeAttributeNode(),&#x79FB;&#x9664;&#x5C5E;&#x6027;&#x8282;&#x70B9;&#xFF0C;&#x8FD4;&#x56DE;&#x503C;&#x4E3A;&#x8BE5;&#x5C5E;&#x6027;&#x8282;&#x70B9;</p>
<pre><code>            test[0].removeAttribute(&quot;name&quot;);
            console.log(test[0].removeAttribute(&quot;name&quot;));//undefined
            var att = document.createAttribute(&quot;id&quot;);
            att.value=&quot;3&quot;;
            test[2].setAttributeNode(att);
            console.log(test[2].removeAttributeNode(att));//id=&quot;3&quot;
</code></pre><p>ele.removeChild(child);&#x79FB;&#x9664;&#x5B50;&#x5143;&#x7D20;</p>
<p>ele.remove():&#x79FB;&#x9664;&#x5143;&#x7D20;&#x672C;&#x8EAB;</p>
<pre><code>            web.removeChild(test[1]);
            test[1].remove();
</code></pre><p>ele.replaceChild(newEle,oldEle)&#x66FF;&#x6362;&#x5143;&#x7D20;</p>
<pre><code>            var p = document.createElement(&quot;p&quot;);
            p.innerText=&quot;&#x6211;&#x662F;p&#x6807;&#x7B7E;&quot;;
            web.replaceChild(p,test[2]);
</code></pre><p>ele.lastChild,&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x5B50;&#x8282;&#x70B9;</p>
<p>ele.nextSibling,&#x83B7;&#x53D6;&#x5230;&#x5143;&#x7D20;&#x7684;&#x4E0B;&#x4E00;&#x4E2A;&#x5144;&#x5F1F;&#x8282;&#x70B9;</p>
<p>ele.parentNode,&#x83B7;&#x53D6;&#x5230;&#x5143;&#x7D20;&#x7684;&#x7236;&#x8282;&#x70B9;</p>
<pre><code>            console.log(web.lastChild);//#text
            console.log(test[0].nextSibling);//#text
            console.log(test[0].parentNode);
            var inp = document.querySelector(&quot;#age&quot;);
            inp.focus();//&#x83B7;&#x5F97;&#x7126;&#x70B9;
</code></pre><p>getAttribute(),&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5C5E;&#x6027;&#x503C;&#xFF0C;&#x8FD9;&#x4E2A;&#x503C;&#x53EA;&#x6709;&#x5728;html&#x7ED3;&#x6784;&#x4E0A;&#x5199;&#x4E86;&#xFF0C;&#x624D;&#x80FD;&#x591F;&#x83B7;&#x53D6;&#x5230;</p>
<pre><code>            var check = document.querySelector(&quot;#check&quot;);
            console.log(check.getAttribute(&quot;checked&quot;));
</code></pre><p>scrollWidth,scrollHeight&#xFF1B;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x5BBD;&#x9AD8;&#xFF0C;&#x4E0D;&#x5305;&#x62EC;&#x8FB9;&#x6846;</p>
<p>scrollLeft,scrollTop;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x5185;&#x5BB9;&#x6EDA;&#x52A8;&#x7684;&#x5BBD;&#x5EA6;/&#x9AD8;&#x5EA6;</p>
<pre><code>        &lt;style type=&quot;text/css&quot;&gt;
            .heig{
                width: 200px;
                height: 200px;
                background: skyblue;
                border: 2px solid #000000;
                overflow: auto;
            }
        &lt;/style&gt;
        &lt;div class=&quot;heig&quot;&gt;
            &lt;ul&gt;
                &lt;li&gt;1&lt;/li&gt;
                &lt;li&gt;2&lt;/li&gt;
                &lt;li&gt;3&lt;/li&gt;
                &lt;li&gt;5&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
                &lt;li&gt;&lt;/li&gt;
            &lt;/ul&gt;
        &lt;/div&gt;
        &lt;script&gt;
            var heig = document.querySelector(&quot;.heig&quot;);
            console.log(heig.scrollWidth);
            console.log(heig.scrollHeight);
            heig.addEventListener(&quot;scroll&quot;,function(){
                console.log(heig.scrollLeft);
                console.log(heig.scrollTop);

            })
            //heig.style = &quot;width:300px;height:300px;background:pink&quot;;
            heig.style.cssText = &quot;width:300px;height:300px;background:pink&quot;;
        &lt;/script&gt;
</code></pre><h1 id="&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x5230;html&#x7ED3;&#x6784;">&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x5230;html&#x7ED3;&#x6784;</h1>
<pre><code>            //1&#x3001;document.createElement()
            //2&#x3001;innerHTML
            var tab = document.createElement(&quot;table&quot;);
            var tr = document.createElement(&quot;tr&quot;);
            var td = document.createElement(&quot;td&quot;);
            document.body.appendChild(tab);
            tab.appendChild(tr);
            tr.appendChild(td);
            var trClone = tr.cloneNode(true);
            tab.appendChild(trClone);
            //var txt = &quot;&lt;table border=&apos;&apos; cellspacing=&apos;&apos; cellpadding=&apos;&apos;&gt;&lt;tr&gt;&lt;th&gt;Header&lt;/th&gt;&lt;th&gt;Header&lt;/th&gt;&lt;th&gt;Header&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td&gt;Data&lt;/td&gt;&lt;td&gt;Data&lt;/td&gt;&lt;td&gt;Data&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&quot;;
            var txt = `&lt;table border=&quot;&quot; cellspacing=&quot;&quot; cellpadding=&quot;&quot;&gt;
                            &lt;tr&gt;&lt;th&gt;Header&lt;/th&gt;&lt;th&gt;Header&lt;/th&gt;&lt;th&gt;Header&lt;/th&gt;&lt;/tr&gt;
                            &lt;tr&gt;&lt;td&gt;Data&lt;/td&gt;&lt;td&gt;Data&lt;/td&gt;&lt;td&gt;Data&lt;/td&gt;&lt;/tr&gt;
                        &lt;/table&gt;`;
            document.body.innerHTML = txt;
</code></pre>
                    
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